From: Ville Syrjälä Date: Mon, 19 May 2014 16:23:23 +0000 (+0300) Subject: drm/i915: Fix ILK reset wait X-Git-Tag: next-20140521~64^2~44 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=f67deb723d106b68c450cffba37cd433641597d5;p=karo-tx-linux.git drm/i915: Fix ILK reset wait We should be waiting for the reset bit to clear, not remain set. Signed-off-by: Ville Syrjälä Reviewed-by: Jesse Barnes Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index 45b3d6ab6054..ba5a9b8705a4 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -998,7 +998,8 @@ static int ironlake_do_reset(struct drm_device *dev) gdrst &= ~GRDOM_MASK; I915_WRITE(MCHBAR_MIRROR_BASE + ILK_GDSR, gdrst | GRDOM_RENDER | GRDOM_RESET_ENABLE); - ret = wait_for(I915_READ(MCHBAR_MIRROR_BASE + ILK_GDSR) & 0x1, 500); + ret = wait_for((I915_READ(MCHBAR_MIRROR_BASE + ILK_GDSR) & + GRDOM_RESET_ENABLE) == 0, 500); if (ret) return ret; @@ -1006,7 +1007,8 @@ static int ironlake_do_reset(struct drm_device *dev) gdrst &= ~GRDOM_MASK; I915_WRITE(MCHBAR_MIRROR_BASE + ILK_GDSR, gdrst | GRDOM_MEDIA | GRDOM_RESET_ENABLE); - return wait_for(I915_READ(MCHBAR_MIRROR_BASE + ILK_GDSR) & 0x1, 500); + return wait_for((I915_READ(MCHBAR_MIRROR_BASE + ILK_GDSR) & + GRDOM_RESET_ENABLE) == 0, 500); } static int gen6_do_reset(struct drm_device *dev)